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fixed the lister handling

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This commit is contained in:
Michael de Paly 2010-02-11 01:04:09 +00:00
parent 7a44617da0
commit 952d3585a0
1 changed files with 4 additions and 1 deletions
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5
src/eva2/server/go/strategies/DifferentialEvolution.java
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@ -607,11 +607,14 @@ public class DifferentialEvolution implements InterfaceOptimizer, java.io.Serial
* @param ea
*/
public void addPopulationChangedEventListener(InterfacePopulationChangedEventListener ea) {
if(this.m_Listener ==null){
this.m_Listener=new Vector<InterfacePopulationChangedEventListener>();
}
this.m_Listener.add(ea);
}
public boolean removePopulationChangedEventListener(
InterfacePopulationChangedEventListener ea) {
if (m_Listener.removeElement(ea)) {
if (m_Listener!=null&&m_Listener.removeElement(ea)) {
return true;
} else return false;